Multiple Choice
Which occurs FIRST as a result of ATP binding to myosin?
A) cross-bridge heads are cocked into an "energized" state
B) actin dissociates from from myosin
C) Ca2+ is released from the sarcoplasmic reticulum
D) actin binds to myosin
E) cross-bridges rotate, sliding past the thin filament
Correct Answer:

Verified
Correct Answer:
Verified
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